/sys$common/syshlp/helplib.hlb Sys Parameters, EXPECTED_VOTES  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    EXPECTED_VOTES specifies the maximum number of votes that may be
    present in a cluster at any given time. Set it to a value that is
    equal to the sum of the vote parameters of all cluster members,
    plus any votes that are contributed by the quorum disk. This
    value is used to automatically derive the number of votes that
    must be present for the cluster to function (quorum).

    EXPECTED_VOTES is an AUTOGEN attribute parameter.